US Patent 7398840 Matrix drill bits and method of manufacture
Patent 7398840 was granted and assigned to Halliburton on July, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 10, 2006
0
Date of Patent
July 15, 2008
0
Patent Application Number
11329595
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Patent Inventor Names
Gary Weaver
0
Ram L. Ladi
0
David A. Brown
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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